NVIDIA AD102 ‘Ada Lovelace’ & AMD Navi 31 ‘RDNA 3’ GPUs To Be Power Chugging Beasts, Over 400W Rumored For Next-Gen Flagship Cards

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AMD and NVIDIA's next-gen GPUs based on the RDNA 3 and Ada Lovelace architecture are going to be insanely power-hungry if the latest rumors are to be believed. The information comes from a list of sources that have been very accurate in the past plus some new ones whose accuracy is not yet determined.

AMD Navi 31 'RDNA 3' & NVIDIA AD102 'Ada Lovelace' GPUs Could Consume Up To 500W of Power, Alleges Rumors

In our previous rumor article, we reported that the AMD RDNA 3 GPUs might end up being more power-efficient than NVIDIA's Ada Lovelace GPUs. We have seen the existing generation of RDNA products being slightly ahead in the efficiency department and that's expected to continue in the RDNA 3 series. The efficiency part is true for both monolithic and multi-chip-module variants and these would give NVIDIA's Ada Lovelace (a primarily monolithic architecture), a really hard time in the energy charts (power consumption & temperatures).

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With that said, both AMD Navi 31 based on the RDNA 3 & NVIDIA AD102 based on the Ada Lovelace architecture will be power chugging beasts. Rumors from Kopite7kimi, Greymon55, and Bondrewd suggest that the NVIDIA GeForce RTX 40 series flagship based on the AD102 (Ada Lovelace) GPU will consume around 400-500 Watts of power. That's a 20-40% increase in power consumption over the existing flagship, the Ampere-based GA102 (RTX 3090) GPU.

And while AMD's RDNA 3 architecture is said to be more efficient, it will definitely be no less of a power-sipping beast than its competitor. According to Bondrewd at Beyond3D Forums, it is said that the Navi 31 GPU will feature a huge die that measures between 600-650mm2. That's a 15-25 percent die size increase over Navi 21 but that is expected since the chip would pack multiple dies for the GPU (GCD) and Cache (MCD). The forum member also reports that the Navi 31 GPU will be consuming 420-450 Watts of power which although slightly lower than NVIDIA's Ada Lovelace GPU, is still a 25-35% increase over the Navi 21 GPU (RX 6900 XTX).

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AMD RDNA GPU (Generational Comparison) Preliminary:

GPU NameNavi 10Navi 21Navi 31
GPU Process7nm7nm5nm/6nm
GPU PackageMonolithicMonolithicMCD (Multi-Chiplet Die)
Shader Engines246
GPU WGPs204048
SPs Per WGP128128256
Compute Units (Per Die)4080192
Cores (Per Die)2560512012288
Cores (Total)2560512012288
Peak Clock1905 MHz2250 MHz~3000 MHz
FP32 Compute9.723~75
Memory Bus256-bit256-bit384-bit
Memory TypeGDDR6GDDR6GDDR6
Memory Capacity8 GB16 GB24 GB
Infinity CacheN/A128 MB96-192 MB
Flagship SKURadeon RX 5700 XTRadeon RX 6900 XTXRadeon RX 7900 XT
TBP225W330W350W
LaunchQ3 2019Q4 2020Q4 2022

NVIDIA CUDA GPU (RUMORED) Preliminary:

GPUTU102GA102AD102
Flagship SKURTX 2080 TiRTX 3090 TiRTX 4090?
ArchitectureTuringAmpereAda Lovelace
ProcessTSMC 12nm NFFSamsung 8nmTSMC 4N?
Die Size754mm2628mm2~600mm2
Graphics Processing Clusters (GPC)6712
Texture Processing Clusters (TPC)364272
Streaming Multiprocessors (SM)7284144
CUDA Cores46081075218432
L2 Cache6 MB6 MB96 MB
Theoretical TFLOPs 16 TFLOPs40 TFLOPs~90 TFLOPs?
Memory TypeGDDR6GDDR6XGDDR6X
Memory Capacity11 GB (2080 Ti)24 GB (3090 Ti)24 GB (4090?)
Memory Speed14 Gbps21 Gbps24 Gbps?
Memory Bandwidth616 GB/s1.008 GB/s1152 GB/s?
Memory Bus384-bit384-bit384-bit
PCIe InterfacePCIe Gen 3.0PCIe Gen 4.0PCIe Gen 4.0
TGP250W350W600W?
ReleaseSep. 2018Sept. 202H 2022 (TBC)

AMD Navi 31 GPU Taped Out (Or Not)?

Another interesting rumor comes from Chiphell leaker, wjm47196, who was quite accurate about his AMD-specific leaks in the past. The leaker mentions that AMD's Navi 31 GPU has already been taped out and the Radeon RX 7000 series flagship, the RX 7900 XT, could be released by Q3 2022. AMD's CEO, Dr. Lisa Su, confirmed that AMD's RDNA 3 GPU lineup is on track for 2022 but info has been pointing to a Q4 2022 launch instead of Q3. It is likely that an announcement could be made in Q3 followed by an official launch in Q4.

Greymon55 doesn't seem to agree with this information and states that neither the AMD Navi 31 GPU has been taped yet nor should we expect a launch in Q3 2022 for RDNA 3 GPUs. The AMD RDNA 3 'Navi 3X' GPU-powered Radeon RX graphics card lineup is expected to offer up to 3.0x performance improvement over existing RDNA 2 offerings while NVIDIA is expected to deliver up to 2.5x performance gains over its Ampere architecture with Ada Lovelace GPUs. The increased power demand is expected considering we are looking at an insane amount of cores, over 15,000 for AMD & over 18,000 for NVIDIA in their next-gen parts and not to mention other cores that handle RT, IF & more GPU IPs along with higher clocks and the use of faster GDDR6(X) memory chips. So overall, the power increase is there for a good reason to offer more power than any GPU that came before.

It would mark a major leap forward for graphics evolution and now that AMD is already onboard with next-gen technologies such as FSR and Raytracing, expect a very heated next-gen competition between the red and green teams. Oh and in case you might be worried that these cards wouldn't be able to reach consumers in US states that have set new power regulations, then I need to clarify that it won't be an issue at all since the regulations only estimate the idle power draw on systems & individual (DIY) hardware is not regulated so getting a 500W GPU and running it wouldn't be much big of an issue.

NVIDIA / AMD Next-Gen Rumored GPU Performance Estimates
Perf Increase
0
1
2
3
0
1
2
3
NVIDIA Hopper (GH202)
3
AMD RDNA 3 (Navi 3X)
2.5
NVIDIA Ada Lovelace (AD102)
2.2
NVIDIA Ampere (GA102)
1
AMD RDNA 2 (Navi 2X)
0.9
Which next-generation GPUs are you looking forward to the most?

News Source: via Videocardz

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